This project is fork from ishidawataru sctp project <https://github.com/ishidawataru/sctp>

We have chage to SCTP to nonblocking type

Modify ListenSCTPExtConfig/AcceptSCTP/SCTPRead

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This source code includes following third party code

- ipsock_linux.go : licensed by the Go authors, see GO_LICENSE file for the license which applies to the code
